Aluminum Black Powdercoat

Bilit Aluminum Clear Powdercoat
Bilit Aluminum Clear Powdercoat

 

G.M. Late Model Performance Serpentine Pulley Systems

The Right Choice in Performance Pulleys is as Simple as...

1. POWER & AMPS

Our pulley systems are designed to give superb performance while maintaining perfect electrical charging. Even at idle.

2. DURABLE HARD-COATED SURFACES

March Performance billet aluminum pulleys are hard-coated and reinforced in areas of high stress and wear.

3. MAINTENANCE-FREE POWDER COATINGS

Our show quality polished billet pulleys stay looking new with our exceptionally durable clear powder coats

 

Our Aluminum sets are CNC machined from 6061-T6 billet for extra strength and wear. Hand polished and finished with “No Polishing” clear Powdercoat.

 

Performance Series Increases horsepower by reducing accessory drag. 12.5 h.p. at rear wheels typical. Eliminates belt throwing. Designed for normal street driving.

Power & Amp Series Increases horsepower by reducing accessory drag. 11 H.P. at rear wheel. Design for vehicle with high amperage needs. EXCELLENT for towing and heavy stop and go driving.

 

1985-1987 305-350 Camaro/Firebird / Monte Carlo / GM Truck Small Block

Power and Amp Series (Recommended for Automatic Transmission Vehicles)

Set#

Material

Crank Pulley

Water Pump Pulley

Alt. Pulley

Alt. Pulley w/Cover

Optional Alt. Fan

Optional P/S Pulley

Optional Water Pump Nose Cover

4415

2 pc. steel/aluminum

5 rib, 2V black aluminum #4021

6 rib black steel #110

4420

3 pc. aluminum clear

5 rib, 2V #4031

5 rib, 2V #4032

6 rib #112

221

522

314

Performance Series

4020

2 pc. steel/aluminum

5 rib, 2V black aluminum #4021

6 rib black steel #120

4030

3 pc. aluminum clear

5 rib, 2V #4031

5 rib, 2V #4032

6 rib #208

221

522

314

1988-1992 305-350 Camaro/Firebird/Caprice

Power and Amp Series (Recommended for Automatic Transmission Vehicles)

Set#

Material

Crank Pulley

Water Pump Pulley

Alt. Pulley

Alt. Pulley w/Cover

Optional Alt. Fan

Optional P/S Pulley

Optional Water Pump Nose Cover

4400

2 pc. steel/aluminum

6 rib black aluminum #4001

6 rib black steel #110

4410

3 pc. aluminum clear

6 rib #4011

Non rib #4012

6 rib #112

221

610

330

Performance Series

4000

2 pc. steel/aluminum

6 rib black aluminum #4001

6 rib black steel#120

4010

3 pc. aluminum clear

6 rib #4011

Non rib #4012

6 rib #208

221

610

330

1993-1997 Camaro/Firebird/Impala SS

Power and Amp Series (Recommended for Automatic Transmission Vehicles)

Set#

Material

Crank Pulley

Alt. Pulley

4485

Aluminum crank and black steel alternator

6 rib #4051

6 rib #121

Performance Series

4050

Aluminum

6 rib #4051

4485 and 4050 Installation instrctions



CHEVY LS-1 S.F.I. FLUID DAMPENED PERFORMANCE PULLEY

S.F.I. Approved

Unlike some poorer designed pulleys the fluid dampened design will not cause spark sensors to retard timing with resultant loss in power. Dyno tested at 12H.P. gain.

Part #4521 Camaro/Firbird dampener crank pulley.

Part #4505 Camaro/Firbird dampener crank pulley and power and amp alt pulley.


Matching Alternator Power Steering A/C Units Etc. - See Accessories